22455448 has 32 divisors (see below), whose sum is σ = 43707600. Its totient is φ = 10806912.

The previous prime is 22455443. The next prime is 22455449. The reversal of 22455448 is 84455422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31318 + ... + 32026.

Almost surely, 2^22455448 is an apocalyptic number.

It is an amenable number.

22455448 is a deficient number, since it is larger than the sum of its proper divisors (21252152).

22455448 is a wasteful number, since it uses less digits than its factorization.

22455448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 855 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The square root of 22455448 is about 4738.7179700843. The cubic root of 22455448 is about 282.1243520447.

The spelling of 22455448 in words is "twenty-two million, four hundred fifty-five thousand, four hundred forty-eight".